ALAMEDA CREEK - NILES (NILC1)
Latitude: 37.59º NLongitude: 121.96º WElevation: 86 FeetForecast Type: Unofficial Location
Location: Alameda County in CaliforniaBulletin Group: Central CoastRiver Group: South Bay
Issuance Time: Nov 12 2026 at 1:23 PM PSTNext Issuance: Nov 13 2026 at 9:00 AM PST
Action: N/A Minor Flood: 9.0 FeetModerate Flood: 10.5 FeetMajor Flood: N/A

# Tabular Observed and Forecast Hydrograph Information
#
# Location: Alameda Creek - Niles (NILC1)
#
# File Generation Time:  11/12/2026 at 01:24 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  11/11/2026 at 09:00 PM PST
# Maximum Observed Stage:                       2.75 Feet
# Maximum Observed Flow:                        19 cfs
#
# Earliest Date & Time of Maximum Forecast:     11/13/2026 at 08:00 PM PST
# Maximum Forecast Stage:                       4.77 Feet
# Maximum Forecast Flow:                        785 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  11/07/2026 01 PM PST            2.64             13                        Normal
  11/07/2026 02 PM PST            2.65             13         +              Normal
  11/07/2026 03 PM PST            2.65             13         0              Normal
  11/07/2026 04 PM PST            2.65             13         0              Normal
  11/07/2026 05 PM PST            2.65             13         0              Normal
  11/07/2026 06 PM PST            2.65             13         0              Normal
  11/07/2026 07 PM PST            2.65             13         0              Normal
  11/07/2026 08 PM PST            2.65             13         0              Normal
  11/07/2026 09 PM PST            2.64             13         -              Normal
  11/07/2026 10 PM PST            2.64             13         0              Normal
  11/07/2026 11 PM PST            2.64             13         0              Normal
  11/08/2026 12 AM PST            2.64             13         0              Normal
  11/08/2026 01 AM PST            2.64             13         0              Normal
  11/08/2026 02 AM PST            2.63             12         -              Normal
  11/08/2026 03 AM PST            2.63             12         0              Normal
  11/08/2026 04 AM PST            2.63             12         0              Normal
  11/08/2026 05 AM PST            2.63             12         0              Normal
  11/08/2026 06 AM PST            2.63             12         0              Normal
  11/08/2026 07 AM PST            2.62             12         -              Normal
  11/08/2026 08 AM PST            2.62             12         0              Normal
  11/08/2026 09 AM PST            2.62             12         0              Normal
  11/08/2026 10 AM PST            2.62             12         0              Normal
  11/08/2026 11 AM PST            2.62             12         0              Normal
  11/08/2026 12 PM PST            2.62             12         0              Normal
  11/08/2026 01 PM PST            2.62             12         0              Normal
  11/08/2026 02 PM PST            2.62             12         0              Normal
  11/08/2026 03 PM PST            2.62             12         0              Normal
  11/08/2026 04 PM PST            2.62             12         0              Normal
  11/08/2026 05 PM PST            2.62             12         0              Normal
  11/08/2026 06 PM PST            2.68             15         +              Normal
  11/08/2026 07 PM PST            2.69             15         +              Normal
  11/08/2026 08 PM PST            2.69             15         0              Normal
  11/08/2026 09 PM PST            2.68             15         -              Normal
  11/08/2026 10 PM PST            2.68             15         0              Normal
  11/08/2026 11 PM PST            2.68             15         0              Normal
  11/09/2026 12 AM PST            2.68             15         0              Normal
  11/09/2026 01 AM PST            2.67             14         -              Normal
  11/09/2026 02 AM PST            2.67             14         0              Normal
  11/09/2026 03 AM PST            2.67             14         0              Normal
  11/09/2026 04 AM PST            2.67             14         0              Normal
  11/09/2026 05 AM PST            2.66             14         -              Normal
  11/09/2026 06 AM PST            2.66             14         0              Normal
  11/09/2026 07 AM PST            2.66             14         0              Normal
  11/09/2026 08 AM PST            2.66             14         0              Normal
  11/09/2026 09 AM PST            2.66             14         0              Normal
  11/09/2026 10 AM PST            2.66             14         0              Normal
  11/09/2026 11 AM PST            2.67             14         +              Normal
  11/09/2026 12 PM PST            2.67             14         0              Normal
  11/09/2026 01 PM PST            2.67             14         0              Normal
  11/09/2026 02 PM PST            2.67             14         0              Normal
  11/09/2026 03 PM PST            2.67             14         0              Normal
  11/09/2026 04 PM PST            2.68             15         +              Normal
  11/09/2026 05 PM PST            2.71             16         +              Normal
  11/09/2026 06 PM PST            2.68             15         -              Normal
  11/09/2026 07 PM PST            2.69             15         +              Normal
  11/09/2026 08 PM PST            2.69             15         0              Normal
  11/09/2026 09 PM PST            2.70             16         +              Normal
  11/09/2026 10 PM PST            2.70             16         0              Normal
  11/09/2026 11 PM PST            2.69             15         -              Normal
  11/10/2026 12 AM PST            2.68             15         -              Normal
  11/10/2026 01 AM PST            2.67             14         -              Normal
  11/10/2026 02 AM PST            2.65             13         -              Normal
  11/10/2026 03 AM PST            2.64             13         -              Normal
  11/10/2026 04 AM PST            2.63             12         -              Normal
  11/10/2026 05 AM PST            2.62             12         -              Normal
  11/10/2026 06 AM PST            2.62             12         0              Normal
  11/10/2026 07 AM PST            2.62             12         0              Normal
  11/10/2026 08 AM PST            2.61             12         -              Normal
  11/10/2026 09 AM PST            2.61             12         0              Normal
  11/10/2026 10 AM PST            2.61             12         0              Normal
  11/10/2026 11 AM PST            2.61             12         0              Normal
  11/10/2026 12 PM PST            2.61             12         0              Normal
  11/10/2026 01 PM PST            2.62             12         +              Normal
  11/10/2026 02 PM PST            2.62             12         0              Normal
  11/10/2026 03 PM PST            2.63             12         +              Normal
  11/10/2026 04 PM PST            2.68             15         +              Normal
  11/10/2026 05 PM PST            2.75             19         +              Normal
  11/10/2026 06 PM PST            2.74             18         -              Normal
  11/10/2026 07 PM PST            2.74             18         0              Normal
  11/10/2026 08 PM PST            2.74             18         0              Normal
  11/10/2026 09 PM PST            2.74             18         0              Normal
  11/10/2026 10 PM PST            2.74             18         0              Normal
  11/10/2026 11 PM PST            2.71             16         -              Normal
  11/11/2026 12 AM PST            2.69             15         -              Normal
  11/11/2026 01 AM PST            2.67             14         -              Normal
  11/11/2026 02 AM PST            2.65             13         -              Normal
  11/11/2026 03 AM PST            2.63             12         -              Normal
  11/11/2026 04 AM PST            2.62             12         -              Normal
  11/11/2026 05 AM PST            2.61             12         -              Normal
  11/11/2026 06 AM PST            2.61             12         0              Normal
  11/11/2026 07 AM PST            2.61             12         0              Normal
  11/11/2026 08 AM PST            2.60             11         -              Normal
  11/11/2026 09 AM PST            2.60             11         0              Normal
  11/11/2026 10 AM PST            2.60             11         0              Normal
  11/11/2026 11 AM PST            2.60             11         0              Normal
  11/11/2026 12 PM PST            2.60             11         0              Normal
  11/11/2026 01 PM PST            2.60             11         0              Normal
  11/11/2026 02 PM PST            2.61             12         +              Normal
  11/11/2026 03 PM PST            2.65             13         +              Normal
  11/11/2026 04 PM PST            2.72             17         +              Normal
  11/11/2026 05 PM PST            2.75             19         +              Normal
  11/11/2026 06 PM PST            2.75             19         0              Normal
  11/11/2026 07 PM PST            2.75             19         0              Normal
  11/11/2026 08 PM PST            2.75             19         0              Normal
  11/11/2026 09 PM PST            2.75             19         0              Normal
  11/11/2026 10 PM PST            2.73             18         -              Normal
  11/11/2026 11 PM PST            2.72             17         -              Normal
  11/12/2026 12 AM PST            2.69             15         -              Normal
  11/12/2026 01 AM PST            2.67             14         -              Normal
  11/12/2026 02 AM PST            2.65             13         -              Normal
  11/12/2026 03 AM PST            2.64             13         -              Normal
  11/12/2026 04 AM PST            2.62             12         -              Normal
  11/12/2026 05 AM PST            2.62             12         0              Normal
  11/12/2026 06 AM PST            2.61             12         -              Normal
  11/12/2026 07 AM PST            2.61             12         0              Normal
  11/12/2026 08 AM PST            2.60             11         -              Normal
  11/12/2026 09 AM PST            2.60             11         0              Normal
  11/12/2026 10 AM PST            2.60             11         0              Normal
  11/12/2026 11 AM PST            2.60             11         0              Normal
  11/12/2026 12 PM PST            2.60             11         0              Normal
  11/12/2026 01 PM PST            2.60             11         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  11/12/2026 02 PM PST            2.60             11                        Normal
  11/12/2026 03 PM PST            2.59             11         -              Normal
  11/12/2026 04 PM PST            2.59             11         0              Normal
  11/12/2026 05 PM PST            2.59             11         0              Normal
  11/12/2026 06 PM PST            2.58             10         -              Normal
  11/12/2026 07 PM PST            2.58             10         0              Normal
  11/12/2026 08 PM PST            2.58             10         0              Normal
  11/12/2026 09 PM PST            2.58             10         0              Normal
  11/12/2026 10 PM PST            2.58             10         0              Normal
  11/12/2026 11 PM PST            2.58             10         0              Normal
  11/13/2026 12 AM PST            2.57             10         -              Normal
  11/13/2026 01 AM PST            2.57             10         0              Normal
  11/13/2026 02 AM PST            2.57             10         0              Normal
  11/13/2026 03 AM PST            2.57             10         0              Normal
  11/13/2026 04 AM PST            2.57             10         0              Normal
  11/13/2026 05 AM PST            2.57             10         0              Normal
  11/13/2026 06 AM PST            2.57             10         0              Normal
  11/13/2026 07 AM PST            2.57             10         0              Normal
  11/13/2026 08 AM PST            2.57             10         0              Normal
  11/13/2026 09 AM PST            2.57             10         0              Normal
  11/13/2026 10 AM PST            2.57             10         0              Normal
  11/13/2026 11 AM PST            2.57             10         0              Normal
  11/13/2026 12 PM PST            2.59             11         +              Normal
  11/13/2026 01 PM PST            2.61             12         +              Normal
  11/13/2026 02 PM PST            2.63             12         +              Normal
  11/13/2026 03 PM PST            2.67             14         +              Normal
  11/13/2026 04 PM PST            2.77             20         +              Normal
  11/13/2026 05 PM PST            3.56            141         +              Normal
  11/13/2026 06 PM PST            4.25            447         +              Normal
  11/13/2026 07 PM PST            4.70            734         +              Normal
  11/13/2026 08 PM PST            4.77            785         +              Normal
  11/13/2026 09 PM PST            4.66            705         -              Normal
  11/13/2026 10 PM PST            4.51            604         -              Normal
  11/13/2026 11 PM PST            4.37            516         -              Normal
  11/14/2026 12 AM PST            4.25            447         -              Normal
  11/14/2026 01 AM PST            4.13            382         -              Normal
  11/14/2026 02 AM PST            4.04            337         -              Normal
  11/14/2026 03 AM PST            3.99            312         -              Normal
  11/14/2026 04 AM PST            3.97            302         -              Normal
  11/14/2026 05 AM PST            3.94            288         -              Normal
  11/14/2026 06 AM PST            3.91            275         -              Normal
  11/14/2026 07 AM PST            3.87            257         -              Normal
  11/14/2026 08 AM PST            3.83            239         -              Normal
  11/14/2026 09 AM PST            3.79            222         -              Normal
  11/14/2026 10 AM PST            3.74            203         -              Normal
  11/14/2026 11 AM PST            3.68            181         -              Normal
  11/14/2026 12 PM PST            3.62            160         -              Normal
  11/14/2026 01 PM PST            3.56            141         -              Normal
  11/14/2026 02 PM PST            3.49            121         -              Normal
  11/14/2026 03 PM PST            3.43            105         -              Normal
  11/14/2026 04 PM PST            3.36             91         -              Normal
  11/14/2026 05 PM PST            3.29             78         -              Normal
  11/14/2026 06 PM PST            3.23             68         -              Normal
  11/14/2026 07 PM PST            3.17             59         -              Normal
  11/14/2026 08 PM PST            3.12             52         -              Normal
  11/14/2026 09 PM PST            3.08             47         -              Normal
  11/14/2026 10 PM PST            3.03             42         -              Normal
  11/14/2026 11 PM PST            2.98             37         -              Normal
  11/15/2026 12 AM PST            2.93             32         -              Normal
  11/15/2026 01 AM PST            2.88             28         -              Normal
  11/15/2026 02 AM PST            2.84             25         -              Normal
  11/15/2026 03 AM PST            2.79             21         -              Normal
  11/15/2026 04 AM PST            2.75             19         -              Normal
  11/15/2026 05 AM PST            2.72             17         -              Normal
  11/15/2026 06 AM PST            2.69             15         -              Normal
  11/15/2026 07 AM PST            2.66             14         -              Normal
  11/15/2026 08 AM PST            2.64             13         -              Normal
  11/15/2026 09 AM PST            2.62             12         -              Normal
  11/15/2026 10 AM PST            2.60             11         -              Normal
  11/15/2026 11 AM PST            2.59             11         -              Normal
  11/15/2026 12 PM PST            2.58             10         -              Normal
  11/15/2026 01 PM PST            2.57             10         -              Normal
  11/15/2026 02 PM PST            2.57             10         0              Normal
  11/15/2026 03 PM PST            2.56             10         -              Normal
  11/15/2026 04 PM PST            2.57             10         +              Normal
  11/15/2026 05 PM PST            2.61             12         +              Normal
  11/15/2026 06 PM PST            2.68             15         +              Normal
  11/15/2026 07 PM PST            2.76             19         +              Normal
  11/15/2026 08 PM PST            2.84             25         +              Normal
  11/15/2026 09 PM PST            2.93             32         +              Normal
  11/15/2026 10 PM PST            3.03             42         +              Normal
  11/15/2026 11 PM PST            3.20             63         +              Normal
  11/16/2026 12 AM PST            3.45            110         +              Normal
  11/16/2026 01 AM PST            3.64            167         +              Normal
  11/16/2026 02 AM PST            3.79            222         +              Normal
  11/16/2026 03 AM PST            3.90            270         +              Normal
  11/16/2026 04 AM PST            3.98            307         +              Normal
  11/16/2026 05 AM PST            4.06            347         +              Normal
  11/16/2026 06 AM PST            4.07            352         +              Normal
  11/16/2026 07 AM PST            4.05            342         -              Normal
  11/16/2026 08 AM PST            4.02            327         -              Normal
  11/16/2026 09 AM PST            4.00            317         -              Normal
  11/16/2026 10 AM PST            3.98            307         -              Normal
  11/16/2026 11 AM PST            3.95            293         -              Normal
  11/16/2026 12 PM PST            3.92            279         -              Normal
  11/16/2026 01 PM PST            3.88            261         -              Normal
  11/16/2026 02 PM PST            3.85            248         -              Normal
  11/16/2026 03 PM PST            3.81            231         -              Normal
  11/16/2026 04 PM PST            3.77            214         -              Normal
  11/16/2026 05 PM PST            3.73            199         -              Normal
  11/16/2026 06 PM PST            3.68            181         -              Normal
  11/16/2026 07 PM PST            3.64            167         -              Normal
  11/16/2026 08 PM PST            3.60            154         -              Normal
  11/16/2026 09 PM PST            3.55            138         -              Normal
  11/16/2026 10 PM PST            3.50            124         -              Normal
  11/16/2026 11 PM PST            3.45            110         -              Normal
  11/17/2026 12 AM PST            3.40             98         -              Normal
  11/17/2026 01 AM PST            3.34             87         -              Normal
  11/17/2026 02 AM PST            3.28             76         -              Normal
  11/17/2026 03 AM PST            3.23             68         -              Normal
  11/17/2026 04 AM PST            3.18             60         -              Normal
#
# NOTE 1: Stages are rounded to the nearest hundredth (.01) of a foot.
# NOTE 2: Flows are rounded to the nearest (1) cfs.
# NOTE 3: Trends are determined using hourly change in unrounded stage and flow.
# NOTE 4: Maximum Values are determined using unrounded stage and flow.